# QuadBoss 04-05 Polaris ATP 500 Thermostat

QuadBoss® Thermostats are a direct O.E. replacement that meets or exceeds factory specs. Installs and operates exactly like the factory unit.

-   Helps maintain optimal engine operating temperature
-   Precision engineered for consistent coolant flow
-   OEM style replacement for reliable performance

This Part Fits:

Year

Make

Model

Submodel

2004-2005

Polaris

ATP 500

Base

1999-2001

Polaris

Diesel (455cc)

Base

2020-2021

Polaris

RZR XP 4 Turbo

Base

2019-2020

Polaris

RZR XP 4 Turbo S

Base

2020-2021

Polaris

RZR XP Turbo

Base

2018-2020

Polaris

RZR XP Turbo S

Base

2001-2005

Polaris

Sportsman 400

Base

2011-2014

Polaris

Sportsman 400 HO

Base

2006-2007

Polaris

Sportsman 450

Base

1999,2001

Polaris

Worker 500

Base

2000-2002

Polaris

Xpedition 425

Base

1997

Polaris

Xplorer 500 4x4

Base

## Details

- **Price:** 119.31 CAD
- **Vendor:** QuadBoss
- **Type:** Thermostats

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 119.31 CAD | In stock |

## Images

- Photo - Primary

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/quadboss-04-05-polaris-atp-500-thermostat)
> Updated: 2026-06-27